HPL IT32 28–40A Thermal Overload Relay (OLR)

The HPL IT32 28–40A Thermal Overload Relay is a reliable motor protection device from HPL Electric & Power Ltd, engineered to safeguard motors and electrical circuits against overload, phase unbalance, and single phasing. Designed for seamless compatibility with HPL 22 AF and 40 AF contactors, this Class 10A OLR ensures quick and accurate tripping using a differential bimetallic mechanism with ambient temperature compensation—making it ideal for demanding industrial environments.

✨ Key Features at a Glance

• Accurate overload protection with differential bimetal mechanism

• Protection against overload, phase unbalance & single phasing

• Ambient temperature compensated tripping

• Sealable cover to prevent tampering

• Built-in auxiliary contacts for signaling & control

The HPL IT32 OLR combines precision, safety, and durability in one compact unit. Its fast Class 10A tripping minimizes motor damage, while flexible mounting and reset options make it installer-friendly. Trusted HPL build quality ensures long-term performance in industrial and commercial motor control panels.